package File;

import java.io.File;

/*文件过滤器Lambda*/
public class ListFilesDemo3 {
    public static void main(String[] args) {
        File dir = new File(".");
        if (dir.isDirectory()){
            File[] subs = dir.listFiles(file ->file.getName().endsWith(".txt"));
        for (File sub: subs){
            System.out.println(sub.getName());
            }
        }
    }
}
